Homogenized milk is produced by treatment in a Homogenizer; invented in 1902 by August Gaulin.

The New Yorker, September 7, 1940 P. 13 Talk story about Homogenized milk.

If you use homogenized milk, you'll end up with a squeaky mess that vaguely resembles cottage cheese but doesn't melt together.

The approved or single-standard milk will sell for fourteen & a half cent, but people willing to pay seventeen cents could buy Homogenized milk.